Shenzhen Laesent Technology Co., Ltd.

sound pressure level meter DT-8850

sound pressure level meter DT-8850
Product Detailed

sound pressure level meter
1).Measuring level range:35~130dB
2).Resolution:0.1dB

  

DT-8850   sound pressure level meter

This Sound Level Meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments. And This unit conforms to the IEC651 type 2 for Sound Level Meter.

Features:

Ranges from 35dB to 130dB at frequencies between 31.5Hz and 8 KHz. Display with 0.1dB steps on a 4-digits LCD. With two equivalent weighted sound pressure levels, A and C. Both AC and DC signal output is available from both standard 3.5mm coaxial socket suitable for a frequency analyzer, level recorder, FFT analyzer, graphic recorder; etc. High performance Newly designed shape Bulit-in calibration check Max hold and Data hold function Analog AC/DC outputs for connection to an analyzer or recorder

Specifications:

Standard applied

IEC651 type 2

Frequency range

31.5Hz~8KHz

Measuring level range 

35~130dB

Frequency weighting

A/C

Microphone

1/2 inch electret condenser microphone

Calibration

Electrical calibration with the internal oscillator(1kHz sine wave)

Display

LCD

Digital display

4 digits

Resolution

0.1dB

Display Up data

0.5 sec.

Time weighting

FAST(125mS), SLOW(1 sec.)

Level ranges

Lo: 35-100dB  Hi: 65-130dB

Accuracy

+ 1.5dB (under reference conditions)

Dynamic range

65dB

Alarm function

 OVER is show when input is out of range

Maximum hold

 Hold readings the Maximum Value, with decay <

1dB/3minutes.AC output

0.65 Vrms at FS(full scale), Output impedance: Approx.600Ω(FS: means the upper limit of each level range.)

DC output

10mV/dB, output impedance approx. 100Ω

Power supply

One 9V battery, 006P or IEC 6F22 or NEDA 1604.

Power life

:About 50hrs(alkaline Battery)

Operation temperature   

0 to 40ºC(32 to 104ºF)

Operation humidity

10 to 90%RH

Storage temperature

-10 to 60ºC( 14 to 140ºF)

Storage humidity

10 to 75%RH

DimensionsLxWxD         

245X64X31mm

Weight

255g(including battery)

Accessories :
9V battery, carrying case and gift box, Instruction manual



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